MAT 2040 - Domestic Appliances

Clock Hours: 30

Delivery Mode
on-ground

Course Description:
This course is designed to provide an introduction to the theory, operation, and troubleshooting of household refrigerators, freezers, and room air conditioners.

Student Learning Outcomes:
The student will be able to demonstrate knowledge of:

Describe the refrigeration cycle of household refrigerators and freezers.
Describe the types, physical characteristics, and typical locations of the evaporator, compressor, condenser, and metering device.
Describe the typical operating conditions for domestic evaporators, condensers, and compressors.
Explain how the evaporator is defrosted.
Describe how to dispose of the condensate.
Discuss typical refrigerator and freezer design.
Describe the cabinets used on refrigerators and freezers.
Explain the purpose of mullion and panel heaters.
Describe the electrical controls used in household refrigerators and freezers.
Discuss ice-maker operation.
Describe various service techniques used by the refrigeration technician.
Describe condenser efficiency relative to ambient air passing over it.
Describe procedures for moving upright and chest-type freezers. · describe the various methods of installing window air-conditioning units.
Discuss the variations in the designs of window and through-the-wall units.
List the major components in the refrigeration cycle of a window cooling unit.
Describe the heating cycle in the heat pump or reverse-cycle room air conditioner.
Describe the controls for room air-conditioning (cooling) units.
Describe the controls for room air-conditioning (cooling and heating) units.
Discuss service procedures for room air conditioners.
List the procedures to be followed to determine whether or not to install gauges.
State the proper procedures for charging a room air conditioner.
List the types of expansion valves that may, under some conditions, be substituted for the capillary tube.
State the components that may require electrical service.